Search the PBPK Model Repository

Quickly find freely available drug and population models in our PBPK model repository.

The models provided have been collated from published examples which authors have shared in our Published Model Collection or developed as part of various global health projects in our Global Health Collection. This search facility searches both model collections simultaneously.

To contribute published user compound and/or population files, upload your files here: Upload Model Files

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Found 147 Matches

Tafenoquine

Brand Name(s) include: Arakoda, Krintafel

Disease: Malaria

Drug Class: Antimalarials

Date Updated: March 2022

The model at-a-glance

  Absorption Model

  • First-Order

  Volume of Distribution

  • Full PBPK (Method 3)
  • Note: Kp scalar used

  Route of Elimination

  • Undefined liver intrinsic clearance

  Perpetrator DDI

  • CYP2C9 Inhibitor
  • CYP3A4 Inhibitor

  Validation

  • Four clinical studies describing single and multiple dose exposure of tafenoquine were used to verify the PBPK model, although some of these provided PK profiles and no PK parameters and vice versa.  Of the clinical studies describing PK parameters, the model recovered 100% of the observed PK parameters within 1.5-fold (66% within 0.8-1.25-fold) and hence the model is considered predictive.  

  Limitations

  • Tafenoquine is administered with food to increase its exposure and minimize gastrointestinal side effects. The PBPK model was therefore developed to recover the PK of tafenoquine in the fed state.
  • It should be noted that in the absence of information defining the fm of drug metabolizing enzymes, an undefined liver intrinsic clearance is used in the model and hence the model is not able to simulate the liability of tafenoquine as a victim of DDIs.

 

5HMT_V12R2_USFDA_20160510

Metabolite of fesoterodine. Note/correction: 1. PKa 9.3 instead of 7.6 (in supplemental materials) 2. the intrinsic clearance (CLint) values of CYP3A4 and CYP2D6 should be 0.085 and 1.455 uL/min/pmol enzyme 3. note simulation with ketoconazole, ketoconazole cmp file modified with p-gp inhibition constant (Ki) of 0.015 uM (assumed)

Desloratadine_V14R1_AstraZeneca_20200427

Desloratadine adult compound file for paediatric prediction.

Fluoxetine&Norfluoxetine_V12R2_USFDA_20160511

Optimized, personal communication with Dr. Snoeys

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